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Nutrition Reviews

Head to head · Vitamins & Minerals

Nature's Bounty Vitamin B-12 1,000 mcg vs Tru Niagen Nicotinamide Riboside 300 mg

Nature's Bounty scores higher overall (8.5 vs 6.6 out of 10), mainly on efficacy, value, experience and transparency. Tru Niagen still leads on quality & purity.

Updated November 2026 from our full reviews · How we score

Higher score
Front of Nature's Bounty B-12 1000 mcg 200 coated tablets bottle
Nature's BountyVitamin B-12 1,000 mcg
8.5
Excellent

A best-selling 1,000 mcg cyanocobalamin tablet at about 5 cents a day; small and easy to swallow, with no third-party seal.

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Front of the Tru Niagen 300 mg bottle of 30 vegetarian capsules
Tru NiagenNicotinamide Riboside 300 mg
6.6
Mixed

A rigorously tested nicotinamide riboside capsule that reliably raises NAD+, though trials in healthy adults show few clear health benefits for $1.63 a day.

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The short answer

Choose Nature's Bounty if…

  • Adults over 50 and others at higher risk of low B12
  • People who eat few or no animal foods
  • Budget shoppers
  • You care most about efficacy, value, experience, transparency

Choose Tru Niagen if…

  • Adults who want the most-studied, NSF-certified form of nicotinamide riboside
  • People curious about NAD+ who accept that the benefits are unproven
  • Drug-tested athletes who need a certified product
  • You care most about quality & purity

Key differences

Biggest scoring gap
Value: Nature's Bounty 9.8, Tru Niagen 4.5. This factor covers cost per effective serving compared with category peers.
Independent testing
Only Tru Niagen carries NSF Certified for Sport; Nature's Bounty has no independent certification we could verify. NSF Certified for Sport: independently tested for label accuracy, contaminants and 280+ substances banned in sport; facilities audited twice a year.
Formula
Of the key ingredients in our reviews, only Nature's Bounty lists vitamin B12, and only Tru Niagen lists magnesium.
Format
Nature's Bounty: tablet, 200 servings per container; Tru Niagen: capsule, 30 servings per container.
Dietary labels
Only Nature's Bounty is labeled non-GMO, soy-free, dairy-free and sugar-free.

Side by side

Vitamin B-12 1,000 mcgNicotinamide Riboside 300 mg
Our score8.5 / 106.6 / 10
Efficacy (30%)8.85.5
Quality & Purity (25%)7.29.0
Value (20%)9.84.5
Experience (15%)9.07.5
Transparency (10%)7.56.5
FormTabletCapsule
Serving1 tablet200 servings per container1 vegetarian capsule30 servings per container
Price per servingSee retailer$1.63
Testing & certificationsNone verified
NSF Certified for SportKosherHalalcGMP facility
DietaryVegetarian, Gluten-free, Non-GMO, Soy-free, Dairy-free, Sugar-freeVegetarian, Gluten-free
Key ingredients
  • Vitamin B12 (as cyanocobalamin)1,000 mcg
  • Niagen (nicotinamide riboside chloride)300 mg
  • Microcrystalline cellulose, hypromellose capsule, vegetable magnesium stearateNot disclosed
Flavors——
Creator video reviews14

Pros and cons

Vitamin B-12 1,000 mcg

  • About $0.05 per day
  • 1,000 mcg dose compensates for limited absorption of oral B12
  • Small, coated tablets that are easy to swallow
  • No USP or NSF certification
  • Brand site shows an outdated %DV and the Amazon listing has copy errors
All 7 pros and cons

Nicotinamide Riboside 300 mg

  • NSF Certified for Sport and third-party tested by Alkemist Labs
  • 300 mg raised blood NAD+ about 51% in a controlled trial
  • Single patented ingredient with an FDA GRAS letter and two NDI notifications
  • Trials in healthy adults show few consistent health benefits
  • Marketing leans on a six-person NMN comparison and broad "cellular energy" language
All 8 pros and cons

Our verdict: Nature's Bounty vs Tru Niagen

Nature's Bounty is the stronger product overall, 8.5 to 6.6 in our scoring, ahead on efficacy, value, experience and transparency. If you are tested for banned substances, choose Tru Niagen: it is the one with NSF Certified for Sport. Each full review shows the evidence, testing and buyer feedback behind these scores.

Full Vitamin B-12 1,000 mcg review Full Nicotinamide Riboside 300 mg review

What creators say

Questions people ask

Is Nature's Bounty better than Tru Niagen?
In our scoring, Nature's Bounty Vitamin B-12 1,000 mcg rates higher overall (8.5 vs 6.6 out of 10). Nature's Bounty leads on efficacy, value, experience and transparency; Tru Niagen leads on quality & purity. Scores weigh efficacy, quality, value, experience and transparency.
Are Nature's Bounty and Tru Niagen third-party tested?
Nature's Bounty has no independent certification we could verify; Tru Niagen carries NSF Certified for Sport. Sport-level certifications screen for banned substances, which matters for drug-tested athletes.
Who should choose Nature's Bounty over Tru Niagen?
Our reviews suggest Nature's Bounty is best for adults over 50 and others at higher risk of low B12, people who eat few or no animal foods and budget shoppers, while Tru Niagen is best for adults who want the most-studied, NSF-certified form of nicotinamide riboside, people curious about NAD+ who accept that the benefits are unproven and drug-tested athletes who need a certified product.
What is the difference between Nature's Bounty and Tru Niagen?
Only Tru Niagen carries NSF Certified for Sport; Nature's Bounty has no independent certification we could verify. NSF Certified for Sport: independently tested for label accuracy, contaminants and 280+ substances banned in sport; facilities audited twice a year. Of the key ingredients in our reviews, only Nature's Bounty lists vitamin B12, and only Tru Niagen lists magnesium. Nature's Bounty: tablet, 200 servings per container; Tru Niagen: capsule, 30 servings per container.

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